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Diss Factsheets
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EC number: 217-316-1 | CAS number: 1809-19-4
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
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Carcinogenicity
Administrative data
Description of key information
Not carcinogenic
Key value for chemical safety assessment
Carcinogenicity: via oral route
Endpoint conclusion
- Endpoint conclusion:
- adverse effect observed
- Dose descriptor:
- NOAEL
- 348 mg/kg bw/day
- Study duration:
- chronic
- Species:
- rat
- System:
- urinary
- Organ:
- bladder
Carcinogenicity: via inhalation route
Endpoint conclusion
- Endpoint conclusion:
- no study available
Carcinogenicity: via dermal route
Endpoint conclusion
- Endpoint conclusion:
- no study available
Justification for classification or non-classification
According to Annex I, 3.6.2.1, of the REACH Regulation, for the purpose of classification for carcinogenicity, substances are allocated to one of two categories based on strength of evidence and additional considerations (weight of evidence). In certain instances, route-specific classification may be warranted, if it can be conclusively proved that no other route of exposure exhibits the hazard. Although toxicity to the urinary bladder is evident at the higher doses tested, there is no evidence of carcinogenicity in any of the studies identified and using a weight of evidence approach. Therefore, the substance is not classified as a carcinogen according to the CLP Regulation (EC) no. 1272/2008.
Additional information
The carcinogenic potential of the substance was evaluated using a read-across approach using two structural analogues, as detailed in the Justification for the Use of Read-Across presented in Section 13 of this IUCLID Registration Dossier.
The carcinogenic potential of the substance was evaluated in an experimental study on Source Chemical 06 (SC06). Groups of 80 male and 80 female Charles River CD rats were administered 0, 2000, 8000, 30,000 and 40,000 ppm test item via feed for a period of 104 weeks (2 years)
The NOAEL for chronic and carcinogenic effects is set at 8000 ppm (equivalent to 348 mg/kg bw/day among males and 450 mg/kg bw/day among females) per day based on calculi, hyperplasia and inflammation of the urinary bladder. Transitional cell papilloma and carcinoma are also observed in urinary bladder of the high‐dose males group.
Secondly, the capacity of the substance to induce neoplasia in rodents was evaluated in an experimental study on Source Chemical 01 (SC01) on both rats and mice. 50 male Fischer 344 rats per group were administered doses of 0, 100 and 200 mg/kg bw per day, 50 female rats were administered 0, 50 and 100 mg/kg bw per day, and, in a second study, 50 male and 50 female B6C3F1 mice per group were administered doses of 0, 100 and 200 mg/kg bw per day, by oral gavage for a total of 103 weeks.
Findings included slightly changed body weights of male mice and rats, increased mortality among male mice and rats, fatty metamorphosis of liver among female mice, hepatocellular adenomas among female mice, pneumonia (lung disease and lung tumours) among rats, and cataracts among rats. Even though no NOAEL could be determined, the effects recorded on the animals are not considered relevant to humans.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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